tachygraphic

from The Collaborative International Dictionary of English v.0.48

Tachygraphic \Tach`y*graph"ic\, Tachygraphical
\Tach`y*graph"ic*al\, a. [Cf. F. tachygraphique.]
   Of or pertaining to tachygraphy; written in shorthand.
   [1913 Webster]